Add Tooltip Helper component for Buttons, Dropdowns, and Fields

[metergames]

Improve the user experience by adding hover tooltips to clarify what different UI elements do, specifically in the toolbar area below the main menu.

What needs to be done:

1. Identify buttons, dropdowns, and input fields that lack labels.
2. Implement a simple hover tooltip (helper text) for these items.
3. Focus on the toolbar row: